Here I am drivign down a busy road in the rich area of my town. There is a cop with it's lights on directing traffic, and of course, as soon as I pass him my horn goes off. And keeps going and going. I freaked out a little because there was another unmarked cop car behind me.

But good news, as soon as i started punching it, it turned off. But then came back on a few minutes later. I'm going out to pull the fuse here in a few minutes because I just found out it can drain my battery.

How do I get to the root cause of this issue? This doesn't have anything to do with the recall from Acura, does it?

 

I would think it is your horn switch or the horn relay. You can switch a relay that is identical to the horn relay and see if the problem persists. This may be difficult if the problem doesnt always happen but it could fix your problem. Keep in mind that the problem could swap to whichever relay you switched with